$blue:#3190e8;
$bc: #e4e4e4;
$fc:#fff;
$red:#f00;

//设置背景图片的地址和大小
@mixin bis($url){
  background-image: url($url);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

@mixin borderRadius($radius){
  -webkit-border-radius: $radius;
  -moz-border-radius: $radius;
  -ms-border-radius: $radius;
  -o-border-radius: $radius;
  border-radius: $radius;
}

//定位全屏
@mixin allcover{
  position: absolute;
  top: 0;
  right: 0;
}

//定位上下左右居中
@mixin center{
  position :absolute;
  top:50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

//定位上下居中
@mixin ct{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

//定位左右居中
@mixin cl{
  position: absolute;
  left:50%;
  transform:translateX(-50%);
}

//宽高
@mixin wh($width,$height){
  width:$width;
  height: $height;
}

//字体大小，行高，字体
@mixin font($size,$line-height,$family:'Microsoft YaHei'){
  font:#{$size}/#{$line-height} $family;
}

//字体的大小、颜色
@mixin sc($size,$color){
  font-size: $size;
  color: $color;
}

//flex 布局和子元素 对齐方式
@mixin fj($type:space-between){
  display: flex;
  justify-content: $type;
}
